Grundy County, IA Power Outages
Utilities serving Grundy County, Iowa don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
Grundy County on the Iowa outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Grundy County power outage history
Every significant outage recorded in Grundy County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 144 significant power outages in Grundy County, meaning events that left at least 1% of customers in the dark. The largest (Aug 9–16, 2020) came when severe thunderstorms left 2,341 customers (42.5% of the county) without power.
From 2018 to 2025, the average customer here lost about 6 hr 2 min of power per year, close to the Iowa average of 5 hr 30 min. That ranks 21st of 99 Iowa counties for outage time, where 1st has the most.
August is the riskiest month: it accounted for 51% of all customer outage time from 2018 to 2025. On 49 days in that period, at least 5% of customers were out at the same time. Outage time in Grundy County has fallen recently: about 4 hr 20 min per customer per year in 2022–2025, versus 7 hr 46 min in 2018–2021.
The most recent significant outage on record (Sep 23, 2025) affected 366 customers (6.6%) amid hail and lightning.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Aug 9–16, 2020 | 2,341(42.5%) | 8 | Severe thunderstorms |
| 2 | Mar 29–30, 2021 | 1,846(33.5%) | 2 | No major storm reported |
| 3 | Apr 1, 2023 | 1,671(30.3%) | 1 | Tornadoes |
| 4 | Feb 13, 2015 | 1,543(28%) | 1 | No major storm reported |
| 5 | May 17, 2019 | 1,537(27.9%) | 1 | Severe thunderstorms |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Grundy County?
Electric companies with service territory in Grundy County (EIA-861, 2025)
| Utility | Type | Customers (IA) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Alliant Energy (Iowa) | Investor Owned | 506,498 | Not reporting | |
| Cedar Falls Utilities | Municipal | 20,245 | Not reporting | |
| Midland Power Coop | Cooperative | 12,717 | Not reporting | |
| Grundy County Rural Elec Coop | Cooperative | 2,265 | Not reporting | |
| Grundy Center Mun Light & Power | Municipal | 1,576 | Not reporting | |
| City of Dike - (IA) | Municipal | 492 | Not reporting |
Customer counts are each utility's statewide total in Iowa. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Grundy County outage headlines in the past week.
Nearby counties
Grundy County power outage FAQ
Is the power out in Grundy County right now?
No outages are currently reported for Grundy County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves Grundy County?
According to EIA-861 service territory data, Interstate Power and Light Co, Cedar Falls Utilities, Midland Power Coop, Grundy County Rural Elec Coop and 2 others provide electric service in Grundy County, Iowa.
What was the worst power outage in Grundy County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Aug 9–16, 2020. It peaked at 2,341 customers without power (42.5% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Grundy County?
EAGLE-I has recorded 144 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 6 hr 2 min of power per year, and on 49 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Grundy County, IA Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/iowa/grundy-county